{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:XFKORKM4JGLIJIAQ6J4RMJ3HY2","short_pith_number":"pith:XFKORKM4","canonical_record":{"source":{"id":"1609.08771","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-28T05:08:17Z","cross_cats_sorted":[],"title_canon_sha256":"a7fac7f2559e7f6622e83f0a1d9a31cb0267f57781e3b1fb8883a3f572c1b566","abstract_canon_sha256":"7ff6247270bf1ba7871278aa5c2e8fb86dce64f3aacce0612f8fcfe93d8bdeda"},"schema_version":"1.0"},"canonical_sha256":"b954e8a99c499684a010f279162767c688a0840a9ae6b5f4e8b26f7b5ff73102","source":{"kind":"arxiv","id":"1609.08771","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08771","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08771v2","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08771","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"XFKORKM4JGLI","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XFKORKM4JGLIJIAQ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XFKORKM4","created_at":"2026-05-18T12:30:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:XFKORKM4JGLIJIAQ6J4RMJ3HY2","target":"record","payload":{"canonical_record":{"source":{"id":"1609.08771","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-28T05:08:17Z","cross_cats_sorted":[],"title_canon_sha256":"a7fac7f2559e7f6622e83f0a1d9a31cb0267f57781e3b1fb8883a3f572c1b566","abstract_canon_sha256":"7ff6247270bf1ba7871278aa5c2e8fb86dce64f3aacce0612f8fcfe93d8bdeda"},"schema_version":"1.0"},"canonical_sha256":"b954e8a99c499684a010f279162767c688a0840a9ae6b5f4e8b26f7b5ff73102","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:02:36.389583Z","signature_b64":"IFxW9VQ1aiCtf4PzQatTGR5rDkfMg6/XP3JsHqa51D3E7ik0cf3PRKQORDEZIK4FxVt9QRCHdIqnHLoW/GlNDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b954e8a99c499684a010f279162767c688a0840a9ae6b5f4e8b26f7b5ff73102","last_reissued_at":"2026-05-18T01:02:36.388874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:02:36.388874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1609.08771","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cKQXbvAJyoHeCxA9FLGJ7CU1sZ4504P7GN9f60XJQm9ErrlG4FWJBwWHx0MLDd108M+QogPq+UQyp6w6V+JrAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:42:58.379831Z"},"content_sha256":"f03e94a82268917f755bd6ecbfeda86d4deeb76fb9e4d989cd7195ea344d1398","schema_version":"1.0","event_id":"sha256:f03e94a82268917f755bd6ecbfeda86d4deeb76fb9e4d989cd7195ea344d1398"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:XFKORKM4JGLIJIAQ6J4RMJ3HY2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatially Resolved HCN Absorption Features in the Circumnuclear Region of NGC 1052","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Dong-Kyu Jung, Do-Young Byun, Duk-Gyoo Roh, Hyo-Ryoung Kim, Jae-Hwan Yeom, Ju-Yeon Hwang, Sang-Sung Lee, Satoko Sawada-Satoh, Seiji Kameno, Se-Jin Oh","submitted_at":"2016-09-28T05:08:17Z","abstract_excerpt":"We present the first VLBI detection of HCN molecular absorption in the nearby active galactic nucleus NGC 1052. Utilizing the 1 milliarcsecond resolution achieved by the Korean VLBI Network, we have spatially resolved the HCN absorption against a double-sided nuclear jet structure. Two velocity features of HCN absorption are detected significantly at the radial velocity of 1656 and 1719 km/s, redshifted by 149 and 212 km/s with respect to the systemic velocity of the galaxy. The column density of the HCN molecule is estimated to be 10^{15}-10^{16} cm^{-2}, assuming the excitation temperature o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08771","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:02:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"16Wp0+F5DVa+7psJZMkUFnAA2i6UyFvkrPpCP47rWIwLvxMNun8+UXl8Szmm+wsOtcRuLP3xgCnBRfgLEYJHDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T08:42:58.380519Z"},"content_sha256":"ffa9ecd4de06d7b99e16f3604e28ad39281c7a3015f17200455b4a4cae06e737","schema_version":"1.0","event_id":"sha256:ffa9ecd4de06d7b99e16f3604e28ad39281c7a3015f17200455b4a4cae06e737"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/bundle.json","state_url":"https://pith.science/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-04T08:42:58Z","links":{"resolver":"https://pith.science/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2","bundle":"https://pith.science/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/bundle.json","state":"https://pith.science/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XFKORKM4JGLIJIAQ6J4RMJ3HY2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:XFKORKM4JGLIJIAQ6J4RMJ3HY2","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"7ff6247270bf1ba7871278aa5c2e8fb86dce64f3aacce0612f8fcfe93d8bdeda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-28T05:08:17Z","title_canon_sha256":"a7fac7f2559e7f6622e83f0a1d9a31cb0267f57781e3b1fb8883a3f572c1b566"},"schema_version":"1.0","source":{"id":"1609.08771","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1609.08771","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"arxiv_version","alias_value":"1609.08771v2","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1609.08771","created_at":"2026-05-18T01:02:36Z"},{"alias_kind":"pith_short_12","alias_value":"XFKORKM4JGLI","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_16","alias_value":"XFKORKM4JGLIJIAQ","created_at":"2026-05-18T12:30:51Z"},{"alias_kind":"pith_short_8","alias_value":"XFKORKM4","created_at":"2026-05-18T12:30:51Z"}],"graph_snapshots":[{"event_id":"sha256:ffa9ecd4de06d7b99e16f3604e28ad39281c7a3015f17200455b4a4cae06e737","target":"graph","created_at":"2026-05-18T01:02:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We present the first VLBI detection of HCN molecular absorption in the nearby active galactic nucleus NGC 1052. Utilizing the 1 milliarcsecond resolution achieved by the Korean VLBI Network, we have spatially resolved the HCN absorption against a double-sided nuclear jet structure. Two velocity features of HCN absorption are detected significantly at the radial velocity of 1656 and 1719 km/s, redshifted by 149 and 212 km/s with respect to the systemic velocity of the galaxy. The column density of the HCN molecule is estimated to be 10^{15}-10^{16} cm^{-2}, assuming the excitation temperature o","authors_text":"Dong-Kyu Jung, Do-Young Byun, Duk-Gyoo Roh, Hyo-Ryoung Kim, Jae-Hwan Yeom, Ju-Yeon Hwang, Sang-Sung Lee, Satoko Sawada-Satoh, Seiji Kameno, Se-Jin Oh","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-28T05:08:17Z","title":"Spatially Resolved HCN Absorption Features in the Circumnuclear Region of NGC 1052"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1609.08771","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:f03e94a82268917f755bd6ecbfeda86d4deeb76fb9e4d989cd7195ea344d1398","target":"record","created_at":"2026-05-18T01:02:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"7ff6247270bf1ba7871278aa5c2e8fb86dce64f3aacce0612f8fcfe93d8bdeda","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-09-28T05:08:17Z","title_canon_sha256":"a7fac7f2559e7f6622e83f0a1d9a31cb0267f57781e3b1fb8883a3f572c1b566"},"schema_version":"1.0","source":{"id":"1609.08771","kind":"arxiv","version":2}},"canonical_sha256":"b954e8a99c499684a010f279162767c688a0840a9ae6b5f4e8b26f7b5ff73102","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b954e8a99c499684a010f279162767c688a0840a9ae6b5f4e8b26f7b5ff73102","first_computed_at":"2026-05-18T01:02:36.388874Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:02:36.388874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"IFxW9VQ1aiCtf4PzQatTGR5rDkfMg6/XP3JsHqa51D3E7ik0cf3PRKQORDEZIK4FxVt9QRCHdIqnHLoW/GlNDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:02:36.389583Z","signed_message":"canonical_sha256_bytes"},"source_id":"1609.08771","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f03e94a82268917f755bd6ecbfeda86d4deeb76fb9e4d989cd7195ea344d1398","sha256:ffa9ecd4de06d7b99e16f3604e28ad39281c7a3015f17200455b4a4cae06e737"],"state_sha256":"66c9a71ea0483b89a8b1d65f037d9e209479ef5ac56b468708a76c714ff0669c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0HSI1dAE+oaaS0fSbMvL/iBUc9k5mmzbes9Ox2W6li2+tT8COmJb2yAMvETspsSAARTso9lDO0myKlH3gUjmCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T08:42:58.384397Z","bundle_sha256":"183452c67f435cb19a9760c493e8f9f1162ff9fe1edcecc4f9a013f070307aa4"}}